Walker apparatus



FIG. 1 is a front perspective view of the walker apparatus showing my new design.

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a right side view thereof.

FIG. 5 is a left side view thereof.

FIG. 6 is a top view thereof.

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a front perspective view of the walker apparatus of FIG. 1 , shown in a folded configuration. 

CLAIM The ornamental design for walker apparatus, as shown and described. 